Use this air filter when you're looking to improve the performance of your car, whether it's for daily commuting or weekend drives. It's perfect for car enthusiasts who want to get more power out of their Mazda MX - 5 Miata or Fiat 124 Spider. The filter is designed to fit easily into your factory air box, and while specific size and weight details aren't given, you can expect a well - crafted, high - quality product that meets K&N's standards.